* [PATCH] perf tools: Delete perf-with-kcore.sh script
@ 2022-04-27 14:19 Adrian Hunter
2022-04-27 23:12 ` Arnaldo Carvalho de Melo
0 siblings, 1 reply; 2+ messages in thread
From: Adrian Hunter @ 2022-04-27 14:19 UTC (permalink / raw)
To: Arnaldo Carvalho de Melo; +Cc: Jiri Olsa, linux-kernel
It has been obsolete since the introduction of the perf record --kcore
option.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
tools/perf/.gitignore | 1 -
tools/perf/Makefile.perf | 5 +-
tools/perf/perf-with-kcore.sh | 247 ----------------------------------
3 files changed, 1 insertion(+), 252 deletions(-)
delete mode 100644 tools/perf/perf-with-kcore.sh
diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore
index 20b8ab984d5f..4b9c71faa01a 100644
--- a/tools/perf/.gitignore
+++ b/tools/perf/.gitignore
@@ -19,7 +19,6 @@ perf.data
perf.data.old
output.svg
perf-archive
-perf-with-kcore
perf-iostat
tags
TAGS
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 69473a836bae..6e5aded855cc 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -286,7 +286,6 @@ PYRF_OBJS =
SCRIPT_SH =
SCRIPT_SH += perf-archive.sh
-SCRIPT_SH += perf-with-kcore.sh
SCRIPT_SH += perf-iostat.sh
grep-libs = $(filter -l%,$(1))
@@ -973,8 +972,6 @@ ifndef NO_LIBBPF
endif
$(call QUIET_INSTALL, perf-archive) \
$(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
- $(call QUIET_INSTALL, perf-with-kcore) \
- $(INSTALL) $(OUTPUT)perf-with-kcore -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
$(call QUIET_INSTALL, perf-iostat) \
$(INSTALL) $(OUTPUT)perf-iostat -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
ifndef NO_LIBAUDIT
@@ -1088,7 +1085,7 @@ bpf-skel-clean:
$(call QUIET_CLEAN, bpf-skel) $(RM) -r $(SKEL_TMP_OUT) $(SKELETONS)
clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBPERF)-clean fixdep-clean python-clean bpf-skel-clean
- $(call QUIET_CLEAN, core-objs) $(RM) $(LIBPERF_A) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(OUTPUT)perf-iostat $(LANG_BINDINGS)
+ $(call QUIET_CLEAN, core-objs) $(RM) $(LIBPERF_A) $(OUTPUT)perf-archive $(OUTPUT)perf-iostat $(LANG_BINDINGS)
$(Q)find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
$(Q)$(RM) $(OUTPUT).config-detected
$(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32 $(OUTPUT)pmu-events/jevents $(OUTPUT)$(LIBJVMTI).so
diff --git a/tools/perf/perf-with-kcore.sh b/tools/perf/perf-with-kcore.sh
deleted file mode 100644
index 0b96545c8184..000000000000
--- a/tools/perf/perf-with-kcore.sh
+++ /dev/null
@@ -1,247 +0,0 @@
-#!/bin/bash
-# SPDX-License-Identifier: GPL-2.0-only
-# perf-with-kcore: use perf with a copy of kcore
-# Copyright (c) 2014, Intel Corporation.
-#
-
-set -e
-
-usage()
-{
- echo "Usage: perf-with-kcore <perf sub-command> <perf.data directory> [<sub-command options> [ -- <workload>]]" >&2
- echo " <perf sub-command> can be record, script, report or inject" >&2
- echo " or: perf-with-kcore fix_buildid_cache_permissions" >&2
- exit 1
-}
-
-find_perf()
-{
- if [ -n "$PERF" ] ; then
- return
- fi
- PERF=`which perf || true`
- if [ -z "$PERF" ] ; then
- echo "Failed to find perf" >&2
- exit 1
- fi
- if [ ! -x "$PERF" ] ; then
- echo "Failed to find perf" >&2
- exit 1
- fi
- echo "Using $PERF"
- "$PERF" version
-}
-
-copy_kcore()
-{
- echo "Copying kcore"
-
- if [ $EUID -eq 0 ] ; then
- SUDO=""
- else
- SUDO="sudo"
- fi
-
- rm -f perf.data.junk
- ("$PERF" record -o perf.data.junk "${PERF_OPTIONS[@]}" -- sleep 60) >/dev/null 2>/dev/null &
- PERF_PID=$!
-
- # Need to make sure that perf has started
- sleep 1
-
- KCORE=$(($SUDO "$PERF" buildid-cache -v -f -k /proc/kcore >/dev/null) 2>&1)
- case "$KCORE" in
- "kcore added to build-id cache directory "*)
- KCORE_DIR=${KCORE#"kcore added to build-id cache directory "}
- ;;
- *)
- kill $PERF_PID
- wait >/dev/null 2>/dev/null || true
- rm perf.data.junk
- echo "$KCORE"
- echo "Failed to find kcore" >&2
- exit 1
- ;;
- esac
-
- kill $PERF_PID
- wait >/dev/null 2>/dev/null || true
- rm perf.data.junk
-
- $SUDO cp -a "$KCORE_DIR" "$(pwd)/$PERF_DATA_DIR"
- $SUDO rm -f "$KCORE_DIR/kcore"
- $SUDO rm -f "$KCORE_DIR/kallsyms"
- $SUDO rm -f "$KCORE_DIR/modules"
- $SUDO rmdir "$KCORE_DIR"
-
- KCORE_DIR_BASENAME=$(basename "$KCORE_DIR")
- KCORE_DIR="$(pwd)/$PERF_DATA_DIR/$KCORE_DIR_BASENAME"
-
- $SUDO chown $UID "$KCORE_DIR"
- $SUDO chown $UID "$KCORE_DIR/kcore"
- $SUDO chown $UID "$KCORE_DIR/kallsyms"
- $SUDO chown $UID "$KCORE_DIR/modules"
-
- $SUDO chgrp $GROUPS "$KCORE_DIR"
- $SUDO chgrp $GROUPS "$KCORE_DIR/kcore"
- $SUDO chgrp $GROUPS "$KCORE_DIR/kallsyms"
- $SUDO chgrp $GROUPS "$KCORE_DIR/modules"
-
- ln -s "$KCORE_DIR_BASENAME" "$PERF_DATA_DIR/kcore_dir"
-}
-
-fix_buildid_cache_permissions()
-{
- if [ $EUID -ne 0 ] ; then
- echo "This script must be run as root via sudo " >&2
- exit 1
- fi
-
- if [ -z "$SUDO_USER" ] ; then
- echo "This script must be run via sudo" >&2
- exit 1
- fi
-
- USER_HOME=$(bash <<< "echo ~$SUDO_USER")
-
- echo "Fixing buildid cache permissions"
-
- find "$USER_HOME/.debug" -xdev -type d ! -user "$SUDO_USER" -ls -exec chown "$SUDO_USER" \{\} \;
- find "$USER_HOME/.debug" -xdev -type f -links 1 ! -user "$SUDO_USER" -ls -exec chown "$SUDO_USER" \{\} \;
- find "$USER_HOME/.debug" -xdev -type l ! -user "$SUDO_USER" -ls -exec chown -h "$SUDO_USER" \{\} \;
-
- if [ -n "$SUDO_GID" ] ; then
- find "$USER_HOME/.debug" -xdev -type d ! -group "$SUDO_GID" -ls -exec chgrp "$SUDO_GID" \{\} \;
- find "$USER_HOME/.debug" -xdev -type f -links 1 ! -group "$SUDO_GID" -ls -exec chgrp "$SUDO_GID" \{\} \;
- find "$USER_HOME/.debug" -xdev -type l ! -group "$SUDO_GID" -ls -exec chgrp -h "$SUDO_GID" \{\} \;
- fi
-
- echo "Done"
-}
-
-check_buildid_cache_permissions()
-{
- if [ $EUID -eq 0 ] ; then
- return
- fi
-
- PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type d ! -user "$USER" -print -quit)
- PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type f -links 1 ! -user "$USER" -print -quit)
- PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type l ! -user "$USER" -print -quit)
-
- PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type d ! -group "$GROUPS" -print -quit)
- PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type f -links 1 ! -group "$GROUPS" -print -quit)
- PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type l ! -group "$GROUPS" -print -quit)
-
- if [ -n "$PERMISSIONS_OK" ] ; then
- echo "*** WARNING *** buildid cache permissions may need fixing" >&2
- fi
-}
-
-record()
-{
- echo "Recording"
-
- if [ $EUID -ne 0 ] ; then
-
- if [ "$(cat /proc/sys/kernel/kptr_restrict)" -ne 0 ] ; then
- echo "*** WARNING *** /proc/sys/kernel/kptr_restrict prevents access to kernel addresses" >&2
- fi
-
- if echo "${PERF_OPTIONS[@]}" | grep -q ' -a \|^-a \| -a$\|^-a$\| --all-cpus \|^--all-cpus \| --all-cpus$\|^--all-cpus$' ; then
- echo "*** WARNING *** system-wide tracing without root access will not be able to read all necessary information from /proc" >&2
- fi
-
- if echo "${PERF_OPTIONS[@]}" | grep -q 'intel_pt\|intel_bts\| -I\|^-I' ; then
- if [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt -1 ] ; then
- echo "*** WARNING *** /proc/sys/kernel/perf_event_paranoid restricts buffer size and tracepoint (sched_switch) use" >&2
- fi
-
- if echo "${PERF_OPTIONS[@]}" | grep -q ' --per-thread \|^--per-thread \| --per-thread$\|^--per-thread$' ; then
- true
- elif echo "${PERF_OPTIONS[@]}" | grep -q ' -t \|^-t \| -t$\|^-t$' ; then
- true
- elif [ ! -r /sys/kernel/debug -o ! -x /sys/kernel/debug ] ; then
- echo "*** WARNING *** /sys/kernel/debug permissions prevent tracepoint (sched_switch) use" >&2
- fi
- fi
- fi
-
- if [ -z "$1" ] ; then
- echo "Workload is required for recording" >&2
- usage
- fi
-
- if [ -e "$PERF_DATA_DIR" ] ; then
- echo "'$PERF_DATA_DIR' exists" >&2
- exit 1
- fi
-
- find_perf
-
- mkdir "$PERF_DATA_DIR"
-
- echo "$PERF record -o $PERF_DATA_DIR/perf.data ${PERF_OPTIONS[@]} -- $@"
- "$PERF" record -o "$PERF_DATA_DIR/perf.data" "${PERF_OPTIONS[@]}" -- "$@" || true
-
- if rmdir "$PERF_DATA_DIR" > /dev/null 2>/dev/null ; then
- exit 1
- fi
-
- copy_kcore
-
- echo "Done"
-}
-
-subcommand()
-{
- find_perf
- check_buildid_cache_permissions
- echo "$PERF $PERF_SUB_COMMAND -i $PERF_DATA_DIR/perf.data --kallsyms=$PERF_DATA_DIR/kcore_dir/kallsyms $@"
- "$PERF" $PERF_SUB_COMMAND -i "$PERF_DATA_DIR/perf.data" "--kallsyms=$PERF_DATA_DIR/kcore_dir/kallsyms" "$@"
-}
-
-if [ "$1" = "fix_buildid_cache_permissions" ] ; then
- fix_buildid_cache_permissions
- exit 0
-fi
-
-PERF_SUB_COMMAND=$1
-PERF_DATA_DIR=$2
-shift || true
-shift || true
-
-if [ -z "$PERF_SUB_COMMAND" ] ; then
- usage
-fi
-
-if [ -z "$PERF_DATA_DIR" ] ; then
- usage
-fi
-
-case "$PERF_SUB_COMMAND" in
-"record")
- while [ "$1" != "--" ] ; do
- PERF_OPTIONS+=("$1")
- shift || break
- done
- if [ "$1" != "--" ] ; then
- echo "Options and workload are required for recording" >&2
- usage
- fi
- shift
- record "$@"
-;;
-"script")
- subcommand "$@"
-;;
-"report")
- subcommand "$@"
-;;
-"inject")
- subcommand "$@"
-;;
-*)
- usage
-;;
-esac
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] perf tools: Delete perf-with-kcore.sh script
2022-04-27 14:19 [PATCH] perf tools: Delete perf-with-kcore.sh script Adrian Hunter
@ 2022-04-27 23:12 ` Arnaldo Carvalho de Melo
0 siblings, 0 replies; 2+ messages in thread
From: Arnaldo Carvalho de Melo @ 2022-04-27 23:12 UTC (permalink / raw)
To: Adrian Hunter; +Cc: Jiri Olsa, linux-kernel
Em Wed, Apr 27, 2022 at 05:19:46PM +0300, Adrian Hunter escreveu:
> It has been obsolete since the introduction of the perf record --kcore
> option.
Thanks, applied.
- Arnaldo
> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
> ---
> tools/perf/.gitignore | 1 -
> tools/perf/Makefile.perf | 5 +-
> tools/perf/perf-with-kcore.sh | 247 ----------------------------------
> 3 files changed, 1 insertion(+), 252 deletions(-)
> delete mode 100644 tools/perf/perf-with-kcore.sh
>
> diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore
> index 20b8ab984d5f..4b9c71faa01a 100644
> --- a/tools/perf/.gitignore
> +++ b/tools/perf/.gitignore
> @@ -19,7 +19,6 @@ perf.data
> perf.data.old
> output.svg
> perf-archive
> -perf-with-kcore
> perf-iostat
> tags
> TAGS
> diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> index 69473a836bae..6e5aded855cc 100644
> --- a/tools/perf/Makefile.perf
> +++ b/tools/perf/Makefile.perf
> @@ -286,7 +286,6 @@ PYRF_OBJS =
> SCRIPT_SH =
>
> SCRIPT_SH += perf-archive.sh
> -SCRIPT_SH += perf-with-kcore.sh
> SCRIPT_SH += perf-iostat.sh
>
> grep-libs = $(filter -l%,$(1))
> @@ -973,8 +972,6 @@ ifndef NO_LIBBPF
> endif
> $(call QUIET_INSTALL, perf-archive) \
> $(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
> - $(call QUIET_INSTALL, perf-with-kcore) \
> - $(INSTALL) $(OUTPUT)perf-with-kcore -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
> $(call QUIET_INSTALL, perf-iostat) \
> $(INSTALL) $(OUTPUT)perf-iostat -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
> ifndef NO_LIBAUDIT
> @@ -1088,7 +1085,7 @@ bpf-skel-clean:
> $(call QUIET_CLEAN, bpf-skel) $(RM) -r $(SKEL_TMP_OUT) $(SKELETONS)
>
> clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBPERF)-clean fixdep-clean python-clean bpf-skel-clean
> - $(call QUIET_CLEAN, core-objs) $(RM) $(LIBPERF_A) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(OUTPUT)perf-iostat $(LANG_BINDINGS)
> + $(call QUIET_CLEAN, core-objs) $(RM) $(LIBPERF_A) $(OUTPUT)perf-archive $(OUTPUT)perf-iostat $(LANG_BINDINGS)
> $(Q)find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
> $(Q)$(RM) $(OUTPUT).config-detected
> $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32 $(OUTPUT)pmu-events/jevents $(OUTPUT)$(LIBJVMTI).so
> diff --git a/tools/perf/perf-with-kcore.sh b/tools/perf/perf-with-kcore.sh
> deleted file mode 100644
> index 0b96545c8184..000000000000
> --- a/tools/perf/perf-with-kcore.sh
> +++ /dev/null
> @@ -1,247 +0,0 @@
> -#!/bin/bash
> -# SPDX-License-Identifier: GPL-2.0-only
> -# perf-with-kcore: use perf with a copy of kcore
> -# Copyright (c) 2014, Intel Corporation.
> -#
> -
> -set -e
> -
> -usage()
> -{
> - echo "Usage: perf-with-kcore <perf sub-command> <perf.data directory> [<sub-command options> [ -- <workload>]]" >&2
> - echo " <perf sub-command> can be record, script, report or inject" >&2
> - echo " or: perf-with-kcore fix_buildid_cache_permissions" >&2
> - exit 1
> -}
> -
> -find_perf()
> -{
> - if [ -n "$PERF" ] ; then
> - return
> - fi
> - PERF=`which perf || true`
> - if [ -z "$PERF" ] ; then
> - echo "Failed to find perf" >&2
> - exit 1
> - fi
> - if [ ! -x "$PERF" ] ; then
> - echo "Failed to find perf" >&2
> - exit 1
> - fi
> - echo "Using $PERF"
> - "$PERF" version
> -}
> -
> -copy_kcore()
> -{
> - echo "Copying kcore"
> -
> - if [ $EUID -eq 0 ] ; then
> - SUDO=""
> - else
> - SUDO="sudo"
> - fi
> -
> - rm -f perf.data.junk
> - ("$PERF" record -o perf.data.junk "${PERF_OPTIONS[@]}" -- sleep 60) >/dev/null 2>/dev/null &
> - PERF_PID=$!
> -
> - # Need to make sure that perf has started
> - sleep 1
> -
> - KCORE=$(($SUDO "$PERF" buildid-cache -v -f -k /proc/kcore >/dev/null) 2>&1)
> - case "$KCORE" in
> - "kcore added to build-id cache directory "*)
> - KCORE_DIR=${KCORE#"kcore added to build-id cache directory "}
> - ;;
> - *)
> - kill $PERF_PID
> - wait >/dev/null 2>/dev/null || true
> - rm perf.data.junk
> - echo "$KCORE"
> - echo "Failed to find kcore" >&2
> - exit 1
> - ;;
> - esac
> -
> - kill $PERF_PID
> - wait >/dev/null 2>/dev/null || true
> - rm perf.data.junk
> -
> - $SUDO cp -a "$KCORE_DIR" "$(pwd)/$PERF_DATA_DIR"
> - $SUDO rm -f "$KCORE_DIR/kcore"
> - $SUDO rm -f "$KCORE_DIR/kallsyms"
> - $SUDO rm -f "$KCORE_DIR/modules"
> - $SUDO rmdir "$KCORE_DIR"
> -
> - KCORE_DIR_BASENAME=$(basename "$KCORE_DIR")
> - KCORE_DIR="$(pwd)/$PERF_DATA_DIR/$KCORE_DIR_BASENAME"
> -
> - $SUDO chown $UID "$KCORE_DIR"
> - $SUDO chown $UID "$KCORE_DIR/kcore"
> - $SUDO chown $UID "$KCORE_DIR/kallsyms"
> - $SUDO chown $UID "$KCORE_DIR/modules"
> -
> - $SUDO chgrp $GROUPS "$KCORE_DIR"
> - $SUDO chgrp $GROUPS "$KCORE_DIR/kcore"
> - $SUDO chgrp $GROUPS "$KCORE_DIR/kallsyms"
> - $SUDO chgrp $GROUPS "$KCORE_DIR/modules"
> -
> - ln -s "$KCORE_DIR_BASENAME" "$PERF_DATA_DIR/kcore_dir"
> -}
> -
> -fix_buildid_cache_permissions()
> -{
> - if [ $EUID -ne 0 ] ; then
> - echo "This script must be run as root via sudo " >&2
> - exit 1
> - fi
> -
> - if [ -z "$SUDO_USER" ] ; then
> - echo "This script must be run via sudo" >&2
> - exit 1
> - fi
> -
> - USER_HOME=$(bash <<< "echo ~$SUDO_USER")
> -
> - echo "Fixing buildid cache permissions"
> -
> - find "$USER_HOME/.debug" -xdev -type d ! -user "$SUDO_USER" -ls -exec chown "$SUDO_USER" \{\} \;
> - find "$USER_HOME/.debug" -xdev -type f -links 1 ! -user "$SUDO_USER" -ls -exec chown "$SUDO_USER" \{\} \;
> - find "$USER_HOME/.debug" -xdev -type l ! -user "$SUDO_USER" -ls -exec chown -h "$SUDO_USER" \{\} \;
> -
> - if [ -n "$SUDO_GID" ] ; then
> - find "$USER_HOME/.debug" -xdev -type d ! -group "$SUDO_GID" -ls -exec chgrp "$SUDO_GID" \{\} \;
> - find "$USER_HOME/.debug" -xdev -type f -links 1 ! -group "$SUDO_GID" -ls -exec chgrp "$SUDO_GID" \{\} \;
> - find "$USER_HOME/.debug" -xdev -type l ! -group "$SUDO_GID" -ls -exec chgrp -h "$SUDO_GID" \{\} \;
> - fi
> -
> - echo "Done"
> -}
> -
> -check_buildid_cache_permissions()
> -{
> - if [ $EUID -eq 0 ] ; then
> - return
> - fi
> -
> - PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type d ! -user "$USER" -print -quit)
> - PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type f -links 1 ! -user "$USER" -print -quit)
> - PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type l ! -user "$USER" -print -quit)
> -
> - PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type d ! -group "$GROUPS" -print -quit)
> - PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type f -links 1 ! -group "$GROUPS" -print -quit)
> - PERMISSIONS_OK+=$(find "$HOME/.debug" -xdev -type l ! -group "$GROUPS" -print -quit)
> -
> - if [ -n "$PERMISSIONS_OK" ] ; then
> - echo "*** WARNING *** buildid cache permissions may need fixing" >&2
> - fi
> -}
> -
> -record()
> -{
> - echo "Recording"
> -
> - if [ $EUID -ne 0 ] ; then
> -
> - if [ "$(cat /proc/sys/kernel/kptr_restrict)" -ne 0 ] ; then
> - echo "*** WARNING *** /proc/sys/kernel/kptr_restrict prevents access to kernel addresses" >&2
> - fi
> -
> - if echo "${PERF_OPTIONS[@]}" | grep -q ' -a \|^-a \| -a$\|^-a$\| --all-cpus \|^--all-cpus \| --all-cpus$\|^--all-cpus$' ; then
> - echo "*** WARNING *** system-wide tracing without root access will not be able to read all necessary information from /proc" >&2
> - fi
> -
> - if echo "${PERF_OPTIONS[@]}" | grep -q 'intel_pt\|intel_bts\| -I\|^-I' ; then
> - if [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt -1 ] ; then
> - echo "*** WARNING *** /proc/sys/kernel/perf_event_paranoid restricts buffer size and tracepoint (sched_switch) use" >&2
> - fi
> -
> - if echo "${PERF_OPTIONS[@]}" | grep -q ' --per-thread \|^--per-thread \| --per-thread$\|^--per-thread$' ; then
> - true
> - elif echo "${PERF_OPTIONS[@]}" | grep -q ' -t \|^-t \| -t$\|^-t$' ; then
> - true
> - elif [ ! -r /sys/kernel/debug -o ! -x /sys/kernel/debug ] ; then
> - echo "*** WARNING *** /sys/kernel/debug permissions prevent tracepoint (sched_switch) use" >&2
> - fi
> - fi
> - fi
> -
> - if [ -z "$1" ] ; then
> - echo "Workload is required for recording" >&2
> - usage
> - fi
> -
> - if [ -e "$PERF_DATA_DIR" ] ; then
> - echo "'$PERF_DATA_DIR' exists" >&2
> - exit 1
> - fi
> -
> - find_perf
> -
> - mkdir "$PERF_DATA_DIR"
> -
> - echo "$PERF record -o $PERF_DATA_DIR/perf.data ${PERF_OPTIONS[@]} -- $@"
> - "$PERF" record -o "$PERF_DATA_DIR/perf.data" "${PERF_OPTIONS[@]}" -- "$@" || true
> -
> - if rmdir "$PERF_DATA_DIR" > /dev/null 2>/dev/null ; then
> - exit 1
> - fi
> -
> - copy_kcore
> -
> - echo "Done"
> -}
> -
> -subcommand()
> -{
> - find_perf
> - check_buildid_cache_permissions
> - echo "$PERF $PERF_SUB_COMMAND -i $PERF_DATA_DIR/perf.data --kallsyms=$PERF_DATA_DIR/kcore_dir/kallsyms $@"
> - "$PERF" $PERF_SUB_COMMAND -i "$PERF_DATA_DIR/perf.data" "--kallsyms=$PERF_DATA_DIR/kcore_dir/kallsyms" "$@"
> -}
> -
> -if [ "$1" = "fix_buildid_cache_permissions" ] ; then
> - fix_buildid_cache_permissions
> - exit 0
> -fi
> -
> -PERF_SUB_COMMAND=$1
> -PERF_DATA_DIR=$2
> -shift || true
> -shift || true
> -
> -if [ -z "$PERF_SUB_COMMAND" ] ; then
> - usage
> -fi
> -
> -if [ -z "$PERF_DATA_DIR" ] ; then
> - usage
> -fi
> -
> -case "$PERF_SUB_COMMAND" in
> -"record")
> - while [ "$1" != "--" ] ; do
> - PERF_OPTIONS+=("$1")
> - shift || break
> - done
> - if [ "$1" != "--" ] ; then
> - echo "Options and workload are required for recording" >&2
> - usage
> - fi
> - shift
> - record "$@"
> -;;
> -"script")
> - subcommand "$@"
> -;;
> -"report")
> - subcommand "$@"
> -;;
> -"inject")
> - subcommand "$@"
> -;;
> -*)
> - usage
> -;;
> -esac
> --
> 2.25.1
--
- Arnaldo
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-04-27 23:12 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-04-27 14:19 [PATCH] perf tools: Delete perf-with-kcore.sh script Adrian Hunter
2022-04-27 23:12 ` Arnaldo Carvalho de Melo
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.